UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yd5ZKToKyO90VCTMltXkEFnIC9z0HsJylY8TKADZnV0=' 
WHERE 
  key_id = '51fe3110a978ff38313b167e0f2503f503d7a0ae75f02f106c1fbbe6bab4dc2a' 
  AND (
    token = 'yd5ZKToKyO90VCTMltXkEFnIC9z0HsJylY8TKADZnV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )